Evaluation of IVA (SE Femur Scans) to Identify Incomplete AFFs

  • End date
    Dec 25, 2022
  • participants needed
  • sponsor
    University Health Network, Toronto
Updated on 25 January 2021


DXA scanners are routinely used to assess bone mineral density (BMD) and fracture risk in osteoporosis patients. They provide detailed bone imaging in a low radiation setting. Hologic manufactures scanners that are able to perform high definition instant vertebral fracture assessment (HD-IVA) used to screen at-risk patients for asymptomatic spine fractures instantly and reliably at the same time they are having their yearly BMD. We wish to investigate whether this same proven technology (HD-IVA scan mode) used on femurs (the scan mode is now called SE Femur scans) can be used to screen for atypical fractures of the femur in patients at risk for these debilitating fractures. In this proof of concept study, we propose to examine whether DXA scanners can provide a sensitive low radiation screening method to identify incomplete AFFs in patients with known incomplete AFFs and in patients at risk.

Condition Atypical Femur Fracture
Treatment DXA Se femur scans (previously called IVA femur)
Clinical Study IdentifierNCT01747304
SponsorUniversity Health Network, Toronto
Last Modified on25 January 2021


Yes No Not Sure

Inclusion Criteria

Known AFF group
A subject must have experienced an incomplete atypical low trauma fracture of the femoral shaft
Is a patient at the UHN osteoporosis clinic
Comparison Group
Must be scheduled for a bone mineral density scan at UHN
Have been on any bisphosphonate for 5 years or longer, and
Have unexplained symptoms of leg, hip, thigh, or knee pain

Exclusion Criteria

There are no exclusions
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